Some organisms thrive at a ph of 2; other organisms thrive at a temperature at 65 degrees celsius. yet mammals cannot tolerate either environment in their tissues. explain

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.